I've had family members try to send money to other family members through traditional fiat banking mechanisms. Can't use a bank to bank transfer unless the same person holds each account, presumably because they don't want you to use that method for remittance. They wanted to avoid writing and mailing a check, so now they're just doing a Cash App transfer, which involves loading money onto Cash App from your bank, having the receiver setup Cash App, link their bank, then withdraw.

When I said "this is much easier with bitcoin", they just got angry lol